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January 28, 2015

January 28, 2015

Posted by **Anonymous** on Wednesday, September 26, 2012 at 11:37am.

- Math -
**Scott**, Wednesday, September 26, 2012 at 2:53pmlook at 1000 items

M1 produces 300 with 18 defects

M2 produces 300 with 15 defects

M3 produces 400 with 16 defects

the probability that a defect is from M1:

18 / (18 + 15 + 16)

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